28672221 (number)

28672221 is an odd 8-digits composite number following 28672220 and preceding 28672222. In scientific notation, it is written as 2.8672221 × 10^7. The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors. There are 19114812 positive integers (up to 28672221) that are relatively prime to 28672221.

Interesting facts

Basic properties

Name

Name twenty-eight million six hundred seventy-two thousand two hundred twenty-one

Notation

Scientific notation 2.8672221 × 10^7
Engineering notation 2.8672221 × 10^6

Prime Factorization of 28672221

Prime Factorization 3 × 9557407

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28672221
Product of the distinct prime numbers

The prime factorization of 28672221 is 3 × 9557407. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28672221)

Multiplication

n×y
n×2 57344442
n×3 86016663
n×4 114688884
n×5 143361105

Division

n÷y
n÷2 14336110.5
n÷3 9557407
n÷3 7168055.25
n÷5 5734444.2

Exponentiation

ny
n2 822096257072841
n3 2.3571325566065E+22
n4 6.7584225589317E+29
n5 1.9377898522108E+37

Nth Root

y√n
2√n 5354.6448061473
3√n 306.06977562138
4√n 73.175438544277
5√n 31.0093217383

Divisors of 28672221

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28672220
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28672221 can be divided by 4 positive divisors. The sum of these divisors (counting 28672221) is 1, the average is 0.25.

Base conversion 28672221

Base System Value
2 Binary 1101101011000000011011101
3 Ternary 1222221200220010
4 Quaternary 1231120003131
5 Quinary 24320002341
6 Senary 2502313433
8 Octal 155300335
10 Decimal 28672221
12 Duodecimal 9728879
16 Hexadecimal 1b580dd
20 Vigesimal 8j40b1
36 Base36 h2jml

Cryptographic Hash Functions

md5 951a86ae550e58e9400464283f32528d
sha1 94b94f67795e91fb5bc4ffba9ce8ec1f7183e34c
sha256 7ddff2646897e364275c510313c4bdb91b9c4fd84a5318ff11af17b131945479
sha512 f34ca3b46eeecd416289c3794e75db6328d4491383cc8696135510a93cdfbe01d05383d3cc5be1aa285c1f3881ed29f97a856bed0c35008e6142a4fc3fe8e041
ripemd-160 4703063758afeb322a454cc979c68a8e920b0208

28672221 as geometric shapes

Circle

Radius = n
Diameter 57344442
Circumference 180152877.71141
Area 2.5826915617637E+15

Sphere

Radius = n
Volume 9.8735337644965E+22
Surface area 1.0330766247055E+16
Circumference 180152877.71141

Square

Length = n
Perimeter 114688884
Area 822096257072841
Diagonal 40548643.801559

Cube

Length = n
Surface area 4932577542437046
Volume 2.3571325566065E+22
Space diagonal 49661743.537843

Equilateral Triangle

Length = n
Perimeter 86016663
Area 3.5597812149059E+14
Altitude 24830871.768922

Triangular Pyramid

Length = n
Surface area 3.5597812149059E+14
Volume 2.7779073582201E+21
Height 13516214.60052